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http://en.wikipedia.org/wiki/High-altitude_balloon The BLAST high altitude balloon just before launch on June 12, 2005

High-altitude balloon

http://www.foxnews.com/tech/2010/10/01/self-aiming-shot-sniper-rifle-scheduled-year/

Self-Aiming Sniper Rifles Coming Next Year

A sniper crouches near an open window and zooms in on his target, who sits a half-mile away. He peers through a scope and holds his breath, preparing to squeeze the trigger.
Looking for something cutting-edge to wear but Lady Gaga's meat dress a bit too outrageous? Then how about a new liquid material that could be literally sprayed directly onto your body, transforming into fabric on contact? http://www.zdnet.com/blog/emergingtech/engineers-go-couture-with-spray-on-fabric/2385

Engineers go couture with spray-on fabric